User's Manual

VIVOTEK
180 - User's Manual
"capability_image_c<0~(n-1)>_expo
sure_maxrange" != "-"
* Only valid when
"piris_mode"=manual or
"irismode"=fixed
* Only available when
"capability_image_c<0~(n-1)>_expo
sure_rangetype" is "twovalues".
shuttervalue
<product
dependent>
<1~32000>,
<5~32000>,
<1~8000>,
<5~8000>,
etc.
* Available value is listed in
"capability_image_c<0~(n-1)>_expo
sure_maxrange"
4/4 Exposure time
1~32000 => 1s ~ 1/32000s
5~32000 => 1/5s ~ 1/32000s
1~8000 => 1s ~ 1/8000s
5~8000 => 1/5s ~ 1/8000s
etc.
* This parameter may also restrict
image frame rate from sensor due to
sensor generates a frame per
exposure time. Ex: If this is set to 1/5s
~ 1/8000s and camera takes 1/5s on
the night, then sensor only outputs 5
frame/s.
* Only available when
"capability_image_c<0~(n-1)>_expo
sure_maxrange" != "-" and
"capability_image_c<0~(n-1)>_expo
sure_rangetype" is "onevalue".
* We support this parameter when the
version number (httpversion) is equal
or greater than 0302a.
enablepreview <boolean> 1/4 Usage for UI of exposure settings.
Preview settings of video profile.
* Only available when
"capability_image_c<0~(n-1)>_expo
sure_mode" !=0
meteringmode auto,
blc,
hlc
4/4 "auto": The algorithm chooses the
best metering strategy.
"blc": This metering method increases